13811663701 has 6 divisors (see below), whose sum is σ = 15181415606. Its totient is φ = 12556057800.

The previous prime is 13811663653. The next prime is 13811663713. The reversal of 13811663701 is 10736611831.

It can be written as a sum of positive squares in only one way, i.e., 8468784676 + 5342879025 = 92026^2 + 73095^2 .

It is not a de Polignac number, because 13811663701 - 2⁷ = 13811663573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13811669701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 57072870 + ... + 57073111.

Almost surely, 2^13811663701 is an apocalyptic number.

13811663701 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13811663701 is a deficient number, since it is larger than the sum of its proper divisors (1369751905).

13811663701 is a wasteful number, since it uses less digits than its factorization.

13811663701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114146003 (or 114145992 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 37.

The spelling of 13811663701 in words is "thirteen billion, eight hundred eleven million, six hundred sixty-three thousand, seven hundred one".